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JAZZ · Jazz Pharmaceuticals plc

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Market Cap
$16.30B
Shares
64.91M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 645
Total Value: $15,561,992,277
Total Shares: 64,695,671
Showing 1–100 of 655 holdings by value · page 1 of 7

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 645 13F filers · Δ vs Mar 31, 2026
Top Holder
9.2%
Sep 2023 → Jun 2026 · range 8.5% – 12.6%
+0.7 pts
Top 5
29.5%
Sep 2023 → Jun 2026 · range 24.9% – 35.1%
+4.6 pts
Top 10
44.5%
Sep 2023 → Jun 2026 · range 39.7% – 46.9%
+4.8 pts
HHI
291
Sep 2023 → Jun 2026 · range 247 – 403
Broadly held+43

Quarterly Activity

vs Mar 31, 2026
New
135
Increased
238
Decreased
190
Sold Out
68
Unchanged
82
Holder count: +67
Institutional value: +25.6%
Shares held: -1.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 655
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1232524 CUSIP G50871105 13F (30d) 490 filings 469 filers Visit website Investor relations